Marketing planning helps in coordinating and planning how the resources of the business entity will be used most efficiently, in harmonizing the goals, strategies and tactics of marketing, forecasting and planning the business of the business entity and gaining knowledge about the environment in which the business entity operates. Marketing planning takes place through a marketing plan. The marketing plan is part of the business plan, and can be made as a stand-alone document. The developed marketing plan is an important document that should be applied in business and serve as a guideline for management and employees when performing tasks related to the business of the business entity. The more detailed the marketing plan, the greater the probability that it will be successful and contribute to the business of the business entity. Without a marketing plan, it can be said that a business entity does not have exactly how and in what ways it can realize its goals, mission and vision. By planning marketing and marketing activities, business entities operate more easily and successfully on the market and create the preconditions for growth and development. Business entities that plan marketing, thanks to marketing plans, gain a competitive advantage in the market, react faster, easier and more successfully to changes and unforeseen situations, and achieve better business results. The paper will present the importance of using the marketing plan in business and will make a marketing plan for the product "Bfresh" of the business entity "Petula foods".